docs: def uconcatenate(arrs, axis=0):
      """Concatenate a sequence of arrays.
  
      This wrapper around numpy.concatenate preserves units. All input arrays
      must have the same units.  See the documentation of numpy.concatenate for
      full details.
  
      Examples
      --------
      >>> from unyt import cm
      >>> A = [1, 2, 3]*cm
      >>> B = [2, 3, 4]*cm
      >>> uconcatenate((A, B))
      unyt_array([1, 2, 3, 2, 3, 4], 'cm')
  
      """
      v = np.concatenate(arrs, axis=axis)
      v = _validate_numpy_wrapper_units(v, arrs)
      return v